Formby Bay Weather Forecast
- 9
- 16
Cloudy
- 8
- 17
Mostly sunny
- 10
- 19
Mostly sunny
- 10
- 18
Cloud clearing
- 9
- 18
Cloud clearing
- 8
- 18
Sunny
- 12
- 20
Shower or two
Today 26 Aug Yorke Peninsula
Partly cloudy. Light winds. Daytime maximum temperatures around 17.
Central Coastal Waters
- Wind
- Variable below 10 knots becoming northwesterly 10 to 15 knots in the morning then tending northerly in the late afternoon.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2.5 to 3 metres.
- Weather
- Cloudy.
- Weather Situation
- A high pressure system is centred over central SA, the high will continue moving to the east while extending a ridge over SA on Thursday. A low pressure trough is then forecast to approach and linger about western parts late on Thursday until early Saturday. Another high then moves across waters to the south, extending a ridge across much of the state over the weekend.
Formby Bay Temperature Statistics View More
August Temperature
Stenhouse Bay (24km)
Lowest 1 August, 2026
4.5 °CAverage August
12.8 °CHighest 18 August, 2026
19.9 °C
Climate (2021–2026)
Stenhouse Bay (24km)
Average Low 2021–2026
13.2 °CAverage 2021–2026
16.1 °CAverage High 2021–2026
20.5 °C